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Ancient coins Chen Qingxiong Gu cheng Wu Guanbiao Chen Qingshan Memorial Hall Maritime Silk Road
01-17
![The old man of the ancient city sent ancient coins witnessed the grand scene of china's "sea silk" trade in the Song and Yuan dynasties[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)